.bootstrap-datetimepicker-widget
{
  font-size: 12px;
}

.bootstrap-datetimepicker-widget .picker-switch .glyphicon {
    font-size: 18px;
}

.bootstrap-datetimepicker-widget thead tr:first-child th {
    padding-top: 20px;
    padding-bottom: 20px;
}

.bootstrap-datetimepicker-widget thead tr:last-child th {
    padding-bottom: 10px;
}